Flex Gas Line Into Furnace

Procuru 1 od x 60 long x 3 4 mip x 3 4 fip gas flex line connector kit weatheproof max flow high capacity stainless steel with safeguard coating for tankless water heater.

Flex gas line into furnace.

The manufacturer of flex line simply says protect from damage. The btu capacity of a connector changes as the line increases in both diameter and length. I cannot find specific requirement for black pipe extensions in irc or umc. The larger the inside diameter the greater volume of gas that can flow through it.

Flexible connectors may not be permitted on gas furnaces water heaters space heaters etc. 5 0 out of 5 stars 2. A flexible gas line is an ingenious method of supplying natural gas to fireplaces furnaces cooktops clothes dryers and any other gas appliance. Vibration from the furnace cabinet can cause damage to the line.

The flex runs through a pre installed hole looks like a knock out type hole in the furnace housing does a u turn inside the furnace and connects to the furnace near the burners. Gas flex 3 4 gas tubing pipe kit 66 ft with 2 fittings gasflex natural gas or propane. On the furnace install the hard piped gas line stops about 2 outside of the furnace and transitions to flex. I wrote one up the other day and the installer is saying that it is ok and will not agree to repair it.

A gas range for instance requires a connector that can supply the amount of gas used when all burners are on high with the oven on. Recently installers have been extending black pipe from the gas valve to the exterior of the furnace cabinet. Gas lines often enter into a furnaces metal side through a round hole. Virtually all state and local code authorities permit its use and many contractors are finally embracing it.

This hole may have a sharp metal edge that slowly damages or cuts through the gas line. I told him since there was no permit pulled to install it that he needs to get a permit after the fact and see if it is allowed or not. Published on nov 21 2012 csst flexible gas lines should not pas thru the walls of a furnace. Is it ever acceptable to have a flex line entering the cabinet of a gas furnace.

Then use the adapter included with your hookup kit to connect the flexible gas line. Remember to apply pipe thread compound or gas rated teflon tape to the threads on threaded connections before assembling them. Flexible gas line against sharp metal edge of furnace. I guess i could look up the manufactuers instructions but wanted to see if.

Flare joints rely on a tight fit to seal and don t require additional sealant. On the stove end use another flare to pipe thread fitting. In areas prone to earthquake flexible connectors are more likely to be used on all appliances since they provide some measure of protection against gas piping leakage or rupture during an earthquake.